2181320018

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1\times {\mathrm{18181}}^1$

素因数の和:18673

約数の個数: 16

約数和(自身を含む): 3298942080

約数和(自身を除く): 1117622062

約数列:

[1, 2, 239, 251, 478, 502, 18181, 36362, 59989, 119978, 4345259, 4563431, 8690518, 9126862, 1090660009, 2181320018]

約数ペア:

[(1, 2181320018), (2, 1090660009), (239, 9126862), (251, 8690518), (478, 4563431), (502, 4345259), (18181, 119978), (36362, 59989)]